#include <bits/stdc++.h>
using namespace std;

int n;
int a[100005];
int ans;

int main(){
	freopen("duel.in", "r", stdin);
	freopen("duel.out", "w", stdout);
	
	scanf("%d", &n);
	int x;
	for (int i = 0; i < n; i++){
		scanf("%d", &x);
		a[x]++;
		ans = max(ans, a[x]);
	}
	printf("%d\n", ans);
	return 0;
}
